Place all these contents into a blender:

 3 cups of milk
       (use 1% milk for the least calories)
 1 - 4 oz. package Strawberry Jell-o
       (sugarless to reduce calories)
 1 cup vanilla ice cream
       (use frozen yogurt for the least calories)
 1 banana, cut into chunks

Blend, pour into glasses, drink!

Makes 4 servings.

Substitutions:

Lemon Jell-o with
      a small can of crushed pineapple.
Raspberry Jell-o with
      fresh or canned peaches.
Peach Jell-o with
      fresh blueberries.